Apple Inc. has won the latest installment in its epic patent war against Samsung Electronics Co., after a U.K. judge ruled on Thursday that the California-based company did not infringe three Samsung patents on mobile technology.

Even if they’ve never faced a patent infringement lawsuit filed in federal district court, virtually every inside counsel has had to deal with a letter containing notice of alleged patent infringement.

The futures industry is at it again. On the heels of CME Group’s lawsuit against the U.S. Commodity Futures Trading Commission comes a multimillion-dollar patent infringement lawsuit courtesy of CBOE Holdings Inc., the parent company of the Chicago Board Options Exchange (CBOE).